. >> i'm not looking for a $5 trillion tax cut. what i've said is i won't put in place a tax cut that adds to the deficit. >> governor romney's central economic plan calls for a $5 trillion tax cut. for 18 months, he's been running on this tax plan. now, five weeks before the election, he's saying his big, bold idea is never mind. >> all right. what what's the deal here? >> this is a complicated one. we have from the romney campaign a plan that has been analyzed by an independent group that said it would lead to around $450 billion a year in revenue that's cut from the -- revenue that's not there as a result of these taxes. the obama campaign has then taken this and extrapolated it over ten years, and they have arrived at $5 trillion. well, ten years times $450 billion doesn't get us to $5 trillion. so that's not quite right. but what is true is that the romney campaign, governor romney himself, has not explained what they're going to do to make sure that this is revenue neutral, as he said. he says, and the campaign says, that the